Memento Mori•Attack

Is Memento Mori good in Slay the Spire 2?

In Slay the Spire 2, Memento Mori is an uncommon attack from the Silent card pool. Its effect: Deal 9 damage. Deals 4 additional damage for each card discarded this turn. The data flags it as a weaker pick, settling at F tier — usually one to pass on unless your deck specifically wants it.

Over 55 tracked runs its win rate sits at 18.0%, almost exactly the overall average. It sees niche play, included in only 1.4% of eligible runs. Within Silent runs it’s drafted 5.6% of the time, making it a regular part of that class’s decks. Decks that include it run about 1.1 copies on average.

Its standout pairing so far is Speedster, which lifts its win rate by +16.0% when the two share a deck. On the relic side, Happy Flower is its standout companion, worth a +19.1% win-rate swing alongside it. It costs 1 energy, gets upgraded 18.6% of the time, and tends to be picked up near floor 14.

Upgrading the card adds +2 CalculationBase, +1 ExtraDamage to its stat line. Of the runs that drafted it, 9 ended in victory against 41 deaths and 5 abandons. Its most common run-ender is Knowledge Demon Boss, finishing 10.9% of the runs it shows up in. See the synergies, class split, and threats below for the full picture of where Memento Mori fits a Silent deck.

Best Cards to Pair with Memento Mori

Memento Mori’s strongest card pairings so far are Speedster (+16.0%), Reflex (+14.2%), and Ultimate Defend (+14.0%), each shown with the win-rate lift it adds.

Speedster+16.0%11 runsReflex+14.2%8 runsUltimate Defend+14.0%5 runsAfterimage+12.0%6 runsAccuracy+12.0%7 runsBlade Dance+11.6%13 runs

Based on small co-occurring samples — treat these as early signals, not final verdicts.

Memento Mori Win Rate by Class

Exclusive to the Silent, Memento Mori posts a 18.0% win rate over 55 tracked runs.

The Silentappears in 5.6% of its runs (55 tracked)

Best Relics for Memento Mori

The relics that swing Memento Mori’s win rate the most are Happy Flower (+19.1%), Lantern (+18.9%), and Miniature Cannon (+16.3%), with each lift shown.

Happy Flower+19.1%11 runsLantern+18.9%4 runsMiniature Cannon+16.3%4 runsPotion Belt+16.3%4 runsGorget+14.4%12 runsKusarigama+14.0%6 runs

Based on small co-occurring samples — treat these as early signals, not final verdicts.

Memento Mori Card Details

A 1-energy uncommon attack, Memento Mori is upgraded 18.6% of the time and tends to enter the deck around floor 14.

Deal 9 damage. Deals 4 additional damage for each card discarded this turn.

Upgrade: +2 CalculationBase, +1 ExtraDamage

What Ends Runs with Memento Mori

Runs holding Memento Mori end most often against Knowledge Demon Boss (10.9%), Bygone Effigy Elite (5.5%), and Waterfall Giant Boss (5.5%) — the share of its runs each accounts for is shown.

• Knowledge Demon Boss10.9% of runs
• Bygone Effigy Elite5.5% of runs
• Waterfall Giant Boss5.5% of runs
• Infested Prisms Elite5.5% of runs
• Snapping Jaxfruit Normal3.6% of runs

See Also

Keep exploring Slay the Spire 2 tier lists and stats below.